44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
import uuid
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from django.core.exceptions import ValidationError
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from django.db import models
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class CleanedModel(models.Model):
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class Meta:
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abstract = True
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def save(self, **kwargs):
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try:
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# call this models full_clean() method before saving,
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# which in turn calls .clean_fields(), .clean() and .validate_unique()
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self.full_clean()
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except ValidationError as e:
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message = "Got ValidationError while saving: %s" % e
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if hasattr(self, 'request'):
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messages.error(self.request, message)
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print(message)
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# dont save, just return
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return
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super(CleanedModel, self).save(**kwargs)
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class UUIDModel(CleanedModel):
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class Meta:
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abstract = True
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uuid = models.UUIDField(
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primary_key=True,
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default=uuid.uuid4,
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editable=False,
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)
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class CreatedUpdatedModel(CleanedModel):
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class Meta:
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abstract = True
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created = models.DateTimeField(auto_now_add=True)
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updated = models.DateTimeField(auto_now=True)
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